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astr-

 - 3 dictionary results
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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astr-  
pref.  Variant of astro-.
astro- or astr-  
pref.  
    1. Star: astrophysics.

    2. Celestial body: astrometry.

    3. Outer space: astronaut.

  1. The aster of a cell: astrosphere.


[Greek, from astron, star; see ster-3 in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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